Add MUIRBENCH task=Visual Retrieval (config=Visual_Retrieval)

Add MUIRBENCH task=Attribute Similarity (config=Attribute_Similarity)

Add MUIRBENCH task=Diagram Understanding (config=Diagram_Understanding)

Add MUIRBENCH task=Cartoon Understanding (config=Cartoon_Understanding)

Add MUIRBENCH task=Difference Spotting (config=Difference_Spotting)

Add MUIRBENCH task=Scene Understanding (config=Scene_Understanding)

Add MUIRBENCH task=Ordering (config=Ordering)

Add MUIRBENCH task=Image-Text Matching (config=Image_Text_Matching)

Add MUIRBENCH task=Visual Grounding (config=Visual_Grounding)

Add MUIRBENCH task=Action Understanding (config=Action_Understanding)

Add MUIRBENCH task=Counting (config=Counting)

Add MUIRBENCH task=Geographic Understanding (config=Geographic_Understanding)

initial commit